The 8 Ways Urban Demographics are Changing
Cities are what keep the global economic machine humming.
Over 80% of the world’s economic output is derived from activities in cities – and more specifically, it’s estimated that 60% of GDP growth occurs in just the top 600 urban centers.
Given the above, it’s fair to say that the destiny of humankind is directly linked to what happens in major cities. Further, how urbanization plays out over time could end up having a significant ripple effect on the economy, and we should pay close attention to such trends.
Today’s infographic comes to us from Raconteur, and it showcases eight different ways that urban demographics are evolving.
Below we will summarize the changes, along with potential impacts on the economy:
1. A Higher Percentage of Urban Dwellers
Between 1950 and 2018, we went from 30% to 55% of the world’s population living in cities. This has been driven largely by today’s middle and high income economies in places like North America, South America, Europe, and Japan.
The next stage of urbanization will see us move to 68% – more than two-thirds of the world’s population – living in these urban conglomerations. It will be driven by countries in developing markets, creating a potent investing megatrend along the way.
2. The Countries Driving Growth
It’s estimated that three countries will combine for 35% of all urban population growth.
|Rank||Country||Growth in Urban Population (2018-2050)||% of Global Urban Growth|
|World||860 million people||35%|
|#1||India||416 million people||17%|
|#2||China||255 million people||10%|
|#3||Nigeria||189 million people||8%|
In total, there will be 2.5 billion more urban dwellers in 2050 than there are today. Many of these people will experience rising incomes in cities, increasing the global middle class to an unprecedented size.
3. Peaking Rural Populations
On the flipside, it appears the world’s rural population has nearly flatlined, with anticipation that it will peak in absolute terms in the next couple of years. Rural populations have been slowly growing since 1950 until this point.
4. The Rise of Megacities
There will be 43 megacities by the year 2050, which is more than quadruple the amount that existed back in 1950.
The changing geography of the world’s megacities will be one of the major forces that shapes the future of the global economy and accompanying investment trends.
5. New Population Centers
By 2050, more than 70% of the world’s urban population will live in Asia or Africa. Meanwhile, North America and Europe will combine for closer to 15% of that total.
The role of de-urbanization is often downplayed or forgot about when discussing urban demographics, but it is an interesting issue.
Factors such as falling fertility rates, economic contraction, and natural disasters are actually shrinking the size of some cities. In fact, McKinsey predicts that 17% of cities in developed regions will see a drop in population between 2015-2025.
7. Disparities in Urban Growth
The rate for urban population growth is actually trending down across all types of economies – however, these rates come from very different starting points.
High income countries are currently averaging growth of less than 1% per year, and this will continue to decline to below 0.5% per year by 2050. Over the same time period, low income nations will go from 4% to 3% per year.
8. Changes in Average Age
The age distributions in large cities within developed nations will begin to skew older, something we’ve shown previously when looking at the median age of every continent.
The biggest impact here may be felt on dependency ratios in the workforce. With a smaller pipeline of new workforce entrants and a burgeoning population of seniors, this changing ratio is one of the most significant stories impacting urban demographics.
Growth and Decline: Visualizing U.S. Population Change by County
Rural counties across the U.S. are losing residents as large cities and the coasts are growing. This map shows U.S. population change by county.
Visualizing U.S. Population Change by County (2010-2018)
The American Heartland continues to feed the growth of urban centers — not only with its agricultural products and natural resources, but with its people as well.
Across the nation, coastal urban centers are adding new citizens, while rural counties are seeing their populations decline. Outside of this general trend, fracking has created some rare pockets of growth in rural areas, while coal mine closures have had the opposite effect.
Today’s map comes to us from Reddit user jinkinson, and it maps U.S. population change by county from 2010 to 2018, using data from the U.S. Census Bureau.
From 2010 to 2018, the total United States population increased by 6% from 308,745,538 to 327,167,434. However, it’s clear that not all counties participated in this uptrend.
There are 3,142 counties counted as part of this map (Puerto Rico and U.S. territories excluded). Of these, 1,489 experienced positive growth, while 1,653 saw a decline.
Which Counties are Growing the Fastest?
America’s economy has grown for over a decade, but that growth increasingly concentrates in 1% of the nation’s counties.
In fact, just 31 counties were responsible for 32.3% of the U.S. gross domestic product (GDP) in 2018, according to data from the Bureau of Economic Analysis.
Although economic concentration tells part of the story, a view of changing population patterns can help us see where physical growth is happening across the country.
Top 20 Counties for U.S. Population Growth
|Rank||State||County Name||2010 Population||2018 Population||% Change|
|#1||North Dakota||McKenzie County||6,360||13,632||114%|
|#3||North Dakota||Williams County||22,398||35,350||58%|
|#14||Texas||Fort Bend County||585,375||787,858||34%|
|#16||Florida||St. Johns County||190,039||254,261||34%|
|#17||North Dakota||Mountrail County||7,673||10,218||33%|
|#19||South Dakota||Lincoln County||44,828||58,807||31%|
At the top of the list is McKenzie County, North Dakota, which experienced a growth of 114% in its population from 2010 to 2018. This is due to the shale gas industry that flourished in the area. Interestingly, all of North Dakota’s active oil and gas rigs are in just four counties: McKenzie, Dunn, Williams, and Mountrail, three of which make the top 20 list above.
The fracking boom also fueled growth in Texas, where six counties made the list.
However, immediate economic success built on fracking sands and sensitive commodity prices may not be sustainable over the longer term. In fact, counties from a previous energy era are already seeing what happens when demand dries up.
Which Counties are Declining the Fastest?
If you look at a map of coal operations in the U.S. and compare it to the list of declining counties below, a stark pattern appears.
Half of country’s coal miners work in just 25 counties, and as mines close there are fewer economic opportunities available in those areas.
Top 20 Counties for U.S. Population Decline
|Rank||State||County Name||2010 Population||2018 Population||% Change|
|#3||West Virginia||McDowell County||22,113||18,223||-18%|
|#11||South Carolina||Allendale County||10,419||8,903||-15%|
|#19||Colorado||Kit Carson County||8,270||7,163||-13%|
While coal counties have grim figures due to the changing domestic energy story, it’s Alexander County in Illinois that tops the list with a 26% decline in population over the time period.
In fact, the harsh reality is that 93% of Illinois’ counties have seen a decrease in population between 2010-2018.
State by State: Winners and Losers
The number of declining counties within a state reveals a larger picture. Visual Capitalist aggregated county level data to reveal the patterns of U.S. states.
|State||# Counties with Negative Growth||# Counties with Positive Growth||% of Counties with Negative Growth|
|District of Columbia||0||1||0%|
Illinois tops the list with the most people leaving its counties, while areas such as the District of Columbia and Delaware experienced no declines.
What happens to a state where the majority of its counties are losing residents?
The Big Picture
Americans are seeking out opportunity where it resides: in the cities. The pursuit of fracking oil and gas created opportunities in regions beyond the coast or traditional urban centers.
However, the long term trend of concentration of people on coasts and in major urban centers will continue to impact infrastructure spending, labor mobility, and economic activity. America no longer derives the majority of its economic success from rural counties and industries.
It is unclear how rural counties will fare as their denizens continue to dwindle. What is clear is that the few that rely on natural resources for success will continue to experience the ups and downs of volatile commodity markets.
Invisible Stars: Mapping America’s Rural Light Pollution
This unique map subtracts population from nighttime light output, giving us a unique perspective into America’s rural light pollution hot spots.
Invisible Stars: Mapping America’s Rural Light Pollution
From the bright lights of Times Square to the high-powered flood lights of a suburban Walmart, we expect our cities to give off a certain amount of light pollution. Even though our view of the universe is largely blotted out around city centers, there’s a measure of comfort in knowing an inspiring view of a starry night is only a short drive away.
Increasingly though, economic activity in America’s rural spaces is casting a glow into the sky, and now four out of five people in North America cannot see the Milky Way at night.
Today’s map, from geographer and journalist, Tim Wallace, is a different perspective on light pollution in the United States. The map was created by subtracting population from light output, which highlights areas that throw off more light than predicted given their population density.
On this style of map, it isn’t the glowing metropolitan centers of New York and Los Angeles that stand out, but regions like the oil-rich corner of South Dakota or the final leg of the Mississippi River. Let’s zoom in and investigate what’s happening in these unexpected illumination zones.
Oil & Gas
Some of the most prominent patterns on the map appear in regions where shale oil is being extracted.
In a relatively short amount of time, America became the largest oil producer on the planet. One of the major factors that fueled record production for shale oil producers was the proliferation of multi-well pad drilling — when multiple wells are drilled from a single drill site. From the air, it’s easy to spot these well formations spreading across the landscape, but the effect is even more pronounced at night.
At times, oil production is so strong that drillers flare the excess natural gas. In North Dakota alone, there are nearly 14,000 producing wells, and the resulting flares are what create the distinctive grid patterns on the map.
One of the brightest areas per capita in the country is Loving County, Texas. The county has around 100 residents, but more than 6,000 drilled wells.
Another point of interest on the map is Louisiana’s “petrochemical corridor”, running between New Orleans and Baton Rouge. An overhead view of Southern Louisiana in the daytime will be punctuated by the “ribbon farms” flanking the Mississippi River — a nod to the region’s history of French settlement.
At night though, a different scene emerges. Over 100 sprawling petrochemical facilities run by companies like Dow Chemical and Union Carbide dot the landscape, a patchwork of highly-illuminated plots.
Some types of infrastructure are typically located away from the city center. Airports, power stations, and racetracks, for example, need a lot of space and aren’t the most popular neighbors.
Another type of facility has been replacing farmland in recent years — logistics hubs. Many of the bright spots on the map outside cities show the warehouses and sortation centers that feed our growing demand for e-commerce.
In the example above, companies like Amazon, Home Depot, Dollar Tree, and Ikea have all clustered their facilities in the sparsely populated farmland south of Joliet, Illinois. This trend is repeated around the country, resulting in the “halos” of light that ring most cities on the map.
Flipping the Switch on Light Pollution
Though light isn’t toxic or overtly damaging to the natural landscape, it can still have a serious impact on wildlife, as well as blunting the beauty of the night sky.
The good news is that light is one of the easiest forms of pollution to prevent. New technologies and lighting techniques aren’t just good for our night skies, they’re generally more energy efficient as well.
Just as economic incentive lured buildings and infrastructure to America’s natural spaces, it may be energy efficiency that helps us return more of the night sky to its natural state.
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